When a refinery’s high-pressure pump shafts failed from seawater corrosion and stress, business leaders prioritized finding an alloy with both power and endurance. Their answer redefined reliability: Monel K-500 Round Bars. Combining the renowned corrosion resistance of Monel 400 with age-hardened strength, Monel K-500 is now preferred for crucial marine, chemical, oil & gas, pharma, and energy installations. Procurement heads and engineers trust Aurico Alloys LLP Monel K-500 round bars complete with traceability for vital parts that cannot be allowed to fail in mission-critical service.
Table of Contents:
Monel K-500 (UNS N05500, ASTM B865, W.Nr. 2.4375) is a nickel-copper alloy strengthened by precipitation hardening with precise additions of aluminum and titanium. This superalloy maintains excellent mechanical performance (tensile ≥965 MPa, yield ≥690 MPa) and resists cracking, distortion, or corrosion in sour gas, high-velocity seawater, acid lines, and cryogenic media. Unlike standard stainless and bronze grades, Monel K-500 remains durable at sub-zero and elevated temperatures (up to 480°C), and is non-magnetic, making it ideal for oil survey components, valve trims, and offshore drilling hardware.
Aurico Alloys LLP delivers Monel K-500 Round Bars in diameters 3mm–350mm, lengths 100–3000mm+, precision-cut and available in bright, polished, black, and rough-turned finishes. All material is fully certified to ASTM, AMS, NACE MR0175/ISO 15156 and more, with worldwide shipment and support for hardware stores, OEM fabricators, and industrial procurement.
This guide helps buyers, project engineers, and SEO platforms make informed choices with Monel K-500: detailing grades, standards, mechanical and chemical profiles, major applications, and strategic sourcing advantages for all key sectors.
High-quality Monel K-500 Round Bars ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | Monel K-500 (UNS N05500, W.Nr. 2.4375) |
| Standards | ASTM B865, AMS 4676, NACE MR0175/ISO 15156, EN, DIN |
| Diameter Range | 3mm–350mm standard/custom |
| Length | 100mm–3000mm+; custom/cut-to-length |
| Finish | Bright, polished, black, rough-turned, ground |
| Delivery | Direct stock, mill certificates, global export packing |
| Price | INR 2,500 – 5,000 per kg. Indicative USD 29 – 59 per kg; quoted against grade, form, size and quantity. |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N05500 |
| Werkstoff / EN number | 2.4375 |
| Density | 8.44 g/cm3 |
| Melting range | 1315-1350 °C |
| Modulus of elasticity (tension) | 26.0 × 10³ ksi |
| Modulus of elasticity (torsion) | 9.5 × 10³ ksi |
| Poisson's ratio (aged material at room temperature) | 0.32 |
| Rod and bar specification | ASTM B865 |
Identifiers and physical constants for Monel K-500. A dash means no such designation is published for this grade.
Stock & Product Availability
Monel K-500 round bars from Aurico Alloys LLP forms include round, hex, square, and hollow bar, cold-worked/annealed/rough-turned and centreless ground, supporting urgent replacement parts and new builds for chemical, marine, pharma, oil, power, and industrial supply.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 63.0 | — |
| Carbon (C) | — | 0.25 |
| Manganese (Mn) | — | 1.5 |
| Iron (Fe) | — | 2.0 |
| Sulfur (S) | — | 0.01 |
| Silicon (Si) | — | 0.5 |
| Copper (Cu) | 27.0 | 33.0 |
| Aluminium (Al) | 2.30 | 3.15 |
| Titanium (Ti) | 0.35 | 0.85 |
Composition limits for Monel K-500. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (MPa) | 965 – 1100 |
| Yield Strength (MPa) | 690 – 790 |
| Elongation (%) | 20 |
| Hardness (HB) | 225 max |
| Max Service Temp (°C) | up to 480 |
Applications & Benefits
- Chemical: Pump shafts, valve trims, heat exchangers, acid process components.
- Marine: Shaft seals, fasteners, rig hardware, shipbuilding, seawater piping.
- Oil & Gas: Downhole lines, impellers, tools, well-drilling and sour gas service.
- Pharma: Sterilization tanks, clean room valves, components for corrosive media.
- Power: Turbine blades, condenser tubing, corrosion-resistant spares, high velocity water lines.
- Fabrication/Supply: High-performance spares, OEM manufacturing, industrial repairs.
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network Across India
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Monel K-500 Round Bars from Aurico Alloys LLP provide unmatched corrosion resistance, wear strength, and mechanical reliability, meeting rigorous ASTM, UNS, NACE, and API standards for chemical, oil & gas, marine, pharma, power, and supply chain success. Is your next project benefiting from Monel K-500’s proven durability and lifecycle savings?